"Pirates of the Caribbean" star Johnny Depp joined Alice Cooper on stage in London Friday to honor late rock icon Ozzy Osbourne with a performance of Black Sabbath's hit "Paranoid."

Johnny Depp surprised fans by joining Alice Cooper's concert in London to perform Black Sabbath's hit "Paranoid" as a tribute to Ozzy Osbourne.

As the rock world and fans alike mourn Ozzy Osbourne‘s death at age 76, some of his peers teamed up to pay tribute. On Friday, Johnny Depp joined Alice Cooper on stage with guitar in hand, accompanying the singer for his cover of Black Sabbath’s 1970 single ‘Paranoid’ during his concert at O2 Arena in